#include<stdio.h>
int main() {
	int a = 3;
	const int* pa = &a;
	int b = 2;
	pa = &b;
	//*pa = 4;
	int* ps = &a;
	int* const pc = &b;
	*pc = 3;
	printf("%d\n", *pc);
	*ps = 1;
	printf("%d\n", *pa);
	return 0;
}